Breathable waterproof garments are most likely to get sweaty and wet inside when used in damp or wet conditions. If the outer fabric absorbs water, the garment can lose up to 70% of its breathability. Therefore, the Durable Water Repellency DWR on the outer fabric of your jacket must be maintained to ensure comfort. It will eventually wear off and need to be renewed with Nikwax TX.Directu00AE.nYour raingear could be soaking up water just because it is dirty. First, try cleaning it with Nikwax Tech Washu00AE, and if it is fairly new, or recently re-waterproofed, the Durable Water Repellency DWR will be revitalised just from cleaning. But, once the garment has been thoroughly worn, you will need to add DWR, using Nikwax TX.Directu00AE, after cleaning first with Nikwax Tech Washu00AE.nNikwax TX.Directu00AE Spray-On is easy and quick to apply, and its highly Durable Water Repellency DWR develops on air drying. The need for tumble drying is removed, this saves ener.